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Class imbalance poses a challenge for developing unbiased, accurate predictive models. In particular, in image segmentation neural networks may overfit to the foreground samples from small structures, which are often heavily…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Zeju Li , Konstantinos Kamnitsas , Ben Glocker

In many application domains such as medicine, information retrieval, cybersecurity, social media, etc., datasets used for inducing classification models often have an unequal distribution of the instances of each class. This situation,…

机器学习 · 计算机科学 2022-01-21 Mohamed S. Kraiem , Fernando Sánchez-Hernández , María N. Moreno-García

The classification of medical images is a pivotal aspect of disease diagnosis, often enhanced by deep learning techniques. However, traditional approaches typically focus on unimodal medical image data, neglecting the integration of diverse…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Jun-En Ding , Chien-Chin Hsu , Chi-Hsiang Chu , Shuqiang Wang , Feng Liu

As a common image editing operation, image composition (object insertion) aims to combine the foreground from one image and another background image, to produce a composite image. However, there are many issues that could make the composite…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Li Niu , Wenyan Cong , Liu Liu , Yan Hong , Bo Zhang , Jing Liang , Liqing Zhang

Intracoronary Optical Coherence Tomography (OCT) enables high-resolution visualization of coronary vessel anatomy but presents challenges due to noise, imaging artifacts, and complex tissue structures. This paper proposes a fully automated…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Amal Lahchim , Lambros Athanasiou

Visual attribute imbalance is a common yet underexplored issue in image classification, significantly impacting model performance and generalization. In this work, we first define the first-level and second-level attributes of images and…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Jiayi Chen , Yanbiao Ma , Andi Zhang , Weidong Tang , Wei Dai , Bowei Liu

Imbalanced electrocardiogram (ECG) data hampers the efficacy and resilience of algorithms in the automated processing and interpretation of cardiovascular diagnostic information, which in turn impedes deep learning-based ECG classification.…

机器学习 · 计算机科学 2026-01-15 Haijian Shao , Wei Liu , Xing Deng , Daze Lu

Today's deep neural networks require substantial computation resources for their training, storage, and inference, which limits their effective use on resource-constrained devices. Many recent research activities explore different options…

机器学习 · 计算机科学 2020-04-21 Rahim Entezari , Olga Saukh

Training deep learning models on medical datasets that perform well for all classes is a challenging task. It is often the case that a suboptimal performance is obtained on some classes due to the natural class imbalance issue that comes…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Suraj Kothawade , Atharv Savarkar , Venkat Iyer , Lakshman Tamil , Ganesh Ramakrishnan , Rishabh Iyer

Although the availability of a large amount of data is usually given for granted, there are relevant scenarios where this is not the case; for instance, in the biomedical/healthcare domain, some applications require to build huge datasets…

机器学习 · 计算机科学 2023-10-24 Pierangela Bruno , Francesco Calimeri , Cinzia Marte , Simona Perri

Class imbalance remains a practical obstacle in the development of clinical prediction models for conditions such as diabetes mellitus, where the number of confirmed cases is often much smaller than the number of controls. The Synthetic…

机器学习 · 计算机科学 2026-05-26 Agnideep Aich , Md Monzur Murshed , Bruce Wade , Sameera Hewage

Medical professionals, especially those in training, often depend on visual reference materials to support an accurate diagnosis and develop pattern recognition skills. However, existing resources may lack the diversity and accessibility…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Kanishk Choudhary

Computational cost of training state-of-the-art deep models in many learning problems is rapidly increasing due to more sophisticated models and larger datasets. A recent promising direction for reducing training cost is dataset…

机器学习 · 计算机科学 2022-12-23 Bo Zhao , Hakan Bilen

Integrative learning of multiple datasets has the potential to mitigate the challenge of small $n$ and large $p$ that is often encountered in analysis of big biomedical data such as genomics data. Detection of weak yet important signals can…

统计方法学 · 统计学 2022-07-04 Changgee Chang , Zongyu Dai , Jihwan Oh , Qi Long

High annotation costs are a substantial bottleneck in applying modern deep learning architectures to clinically relevant medical use cases, substantiating the need for novel algorithms to learn from unlabeled data. In this work, we propose…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Aiham Taleb , Matthias Kirchler , Remo Monti , Christoph Lippert

This paper proposes an introspective deep metric learning (IDML) framework for uncertainty-aware comparisons of images. Conventional deep metric learning methods produce confident semantic distances between images regardless of the…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Wenzhao Zheng , Chengkun Wang , Jie Zhou , Jiwen Lu

Leveraging multiple training datasets to scale up image segmentation models is beneficial for increasing robustness and semantic understanding. Individual datasets have well-defined ground truth with non-overlapping mask layouts and…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Qilong Zhangli , Di Liu , Abhishek Aich , Dimitris Metaxas , Samuel Schulter

Multiple Instance learning (MIL) models have been extensively used in pathology to predict biomarkers and risk-stratify patients from gigapixel-sized images. Machine learning problems in medical imaging often deal with rare diseases, making…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Dinkar Juyal , Siddhant Shingi , Syed Ashar Javed , Harshith Padigela , Chintan Shah , Anand Sampat , Archit Khosla , John Abel , Amaro Taylor-Weiner

Data imbalance between common and rare diseases during model training often causes intelligent diagnosis systems to have biased predictions towards common diseases. The state-of-the-art approaches apply a two-stage learning framework to…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Chenghua Zeng , Huijuan Lu , Kanghao Chen , Ruixuan Wang , Wei-Shi Zheng

Automated red blood cell (RBC) classification on blood smear images helps hematologists to analyze RBC lab results in a reduced time and cost. However, overlapping cells can cause incorrect predicted results, and so they have to be…

图像与视频处理 · 电气工程与系统科学 2024-10-30 Korranat Naruenatthanaset , Thanarat H. Chalidabhongse , Duangdao Palasuwan , Nantheera Anantrasirichai , Attakorn Palasuwan